:root{--ref-red:#d8232a;--ref-red-d:#b71d24;--ref-primary:#15294b;--ref-primary-d:#0b1a33;--ref-primary-soft:#eef1f6;--ref-gold:#b68b45;--ref-teal:#0e8a7b;--ref-ink:#1f2733;--ref-ink2:#3a4253;--ref-g60:#6b7488;--ref-g40:#a4acba;--ref-g20:#dde2ea;--ref-g10:#eff2f6;--ref-soft:#f7f8fb}.ref-topbar{border-bottom:1px solid var(--ref-g10);z-index:100;background:#fff;position:sticky;top:0}.ref-topbar-inner{justify-content:space-between;align-items:center;max-width:1240px;height:60px;margin:0 auto;padding:0 32px;display:flex;overflow:hidden}.ref-brand{align-items:center;gap:12px;display:flex}.ref-brand-name{color:var(--ref-primary);white-space:nowrap;font-size:14px;font-weight:600}.ref-main-nav{flex-shrink:1;gap:24px;min-width:0;display:flex}.ref-main-nav button{color:var(--ref-ink2);cursor:pointer;white-space:nowrap;background:0 0;border:none;padding:8px 0;font-family:inherit;font-size:14px;transition:color .2s;position:relative}.ref-main-nav button:hover{color:var(--ref-primary)}.ref-main-nav button:hover:after{content:"";background:var(--ref-red);height:2px;position:absolute;bottom:0;left:0;right:0}.ref-topbar-tools{align-items:center;gap:16px;display:flex}.ref-hotline{color:var(--ref-g60);font-size:14px;font-weight:600}.ref-btn{cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:2px;justify-content:center;align-items:center;gap:8px;padding:10px 22px;font-family:inherit;font-size:14px;font-weight:600;transition:all .2s;display:inline-flex}.ref-btn-primary{background:var(--ref-red);color:#fff;box-shadow:0 4px 14px #d8232a38}.ref-btn-primary:hover{background:var(--ref-red-d);transform:translateY(-1px);box-shadow:0 6px 20px #d8232a52}.ref-btn-ghost{color:var(--ref-primary);border-color:var(--ref-g20);background:#fff}.ref-btn-ghost:hover{border-color:var(--ref-primary);background:var(--ref-primary-soft)}.ref-btn-xl{padding:14px 32px;font-size:15px}.ref-btn-block{width:100%}.ref-btn .arr{font-weight:700;transition:transform .2s}.ref-btn:hover .arr{transform:translate(3px)}.ref-hero{background:linear-gradient(#fbfcfe 0%,#f4f6fa 100%);flex-direction:column;justify-content:center;min-height:100vh;padding:24px 0 0;display:flex;position:relative;overflow:hidden}.ref-hero-deco{background-image:radial-gradient(var(--ref-primary)3px,transparent 3px);opacity:.07;pointer-events:none;background-size:28px 28px;width:420px;height:420px;position:absolute;top:60px;right:-80px}.ref-hero-inner{z-index:1;max-width:1240px;margin:0 auto;padding:0 32px 32px;position:relative}.ref-trust{color:var(--ref-g60);background:var(--ref-soft);border:1px solid var(--ref-g10);border-radius:999px;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;width:fit-content;max-width:100%;margin:0 auto 20px;padding:10px 22px;font-size:12.5px;display:flex}.ref-trust b{color:var(--ref-primary);font-weight:700}.ref-dot-sep{background:var(--ref-g40);border-radius:50%;width:3px;height:3px;display:inline-block}.ref-hero-main{grid-template-columns:minmax(380px,1fr) 1.3fr;justify-content:center;align-items:center;gap:80px;max-width:1080px;margin-bottom:28px;margin-left:auto;margin-right:auto;display:grid}.ref-brand-block{border:1px solid var(--ref-g10);border-left:4px solid var(--ref-red);background:#fff;padding:28px;position:relative;box-shadow:0 16px 48px #15294b14}.ref-brand-en{color:var(--ref-red);letter-spacing:.04em;font-family:Helvetica Neue,Arial Black,sans-serif;font-size:64px;font-weight:900;line-height:1}.ref-brand-cn{color:var(--ref-primary);letter-spacing:.04em;margin-top:14px;font-size:24px;font-weight:700;line-height:1.3}.ref-brand-line{background:var(--ref-g20);width:40px;height:2px;margin:16px 0 10px}.ref-brand-byline{color:var(--ref-g60);letter-spacing:.08em;font-size:12.5px}.ref-kicker{color:var(--ref-primary);letter-spacing:.3em;align-items:center;gap:10px;margin-bottom:18px;font-size:12px;font-weight:700;display:inline-flex}.ref-kicker:before{content:"";background:var(--ref-red);width:24px;height:2px;display:inline-block}.ref-hero-title{color:var(--ref-primary);flex-direction:column;gap:4px;margin-bottom:22px;font-weight:700;display:flex}.ref-ht-small{color:var(--ref-g60);letter-spacing:.04em;font-size:22px;font-weight:600}.ref-ht-small em{color:var(--ref-red);font-style:normal;font-weight:700}.ref-ht-big{color:var(--ref-primary);margin-top:2px;font-size:38px;line-height:1.25}.ref-ht-red{color:var(--ref-red);isolation:isolate;width:fit-content;font-size:48px;line-height:1.25;display:inline-block;position:relative}.ref-ht-red:after{content:"";z-index:-1;background:#d8232a24;height:6px;position:absolute;bottom:-2px;left:0;right:0}.ref-feature-grid{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px;display:grid}.ref-feature-card{color:var(--ref-primary);background:#fff;border:1px solid #0000000f;border-radius:12px;flex-direction:column;align-items:flex-start;gap:4px;padding:16px 18px;font-size:14.5px;font-weight:600;transition:all .25s cubic-bezier(.4,0,.2,1);display:flex;box-shadow:0 2px 8px #0000000a}.ref-feature-row{align-items:center;gap:12px;display:flex}.ref-feature-desc{color:#666;margin-top:4px;font-size:12px;font-weight:400;line-height:1.5}.ref-feature-card:hover{border-color:#d8232a33;transform:translateY(-3px);box-shadow:0 8px 20px #00000014}.ref-feature-icon{width:22px;height:22px;color:var(--ref-red);flex-shrink:0;transition:transform .25s}.ref-feature-card:hover .ref-feature-icon{transform:scale(1.15)}.ref-hero-desc{color:var(--ref-ink2);max-width:480px;margin-bottom:18px;font-size:15px;line-height:1.7}.ref-points{margin-bottom:22px;padding:0;list-style:none}.ref-points li{color:var(--ref-ink2);padding:3.5px 0 3.5px 20px;font-size:14.5px;line-height:1.5;position:relative}.ref-points li:before{content:"";background:var(--ref-red);border-radius:50%;width:7px;height:7px;position:absolute;top:10px;left:0}.ref-hero-cta{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.ref-features-box{border:1px solid var(--ref-g10);background:#fff;max-width:1080px;margin-bottom:24px;margin-left:auto;margin-right:auto;padding:18px 22px 20px;box-shadow:0 8px 32px #15294b0d}.ref-hf-head{border-bottom:1px solid var(--ref-g10);flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:14px;padding-bottom:12px;display:flex}.ref-hf-bar{background:var(--ref-primary);width:3px;height:18px}.ref-hf-title{color:var(--ref-primary);letter-spacing:.18em;font-size:17px;font-weight:700}.ref-hf-meta{color:var(--ref-g60);margin-left:auto;font-size:13px}.ref-hf-meta b{font-weight:700}.ref-hf-grid{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.ref-hf-card{background:var(--ref-soft);border:1px solid #0000;border-left:3px solid var(--ref-g20);cursor:pointer;padding:12px 14px;transition:all .2s;position:relative}.ref-hf-card:hover{border-color:var(--ref-g10);border-left-color:var(--ref-primary);background:#fff;transform:translateY(-2px);box-shadow:0 8px 20px #15294b14}.ref-hf-card.hot{border-left-color:var(--ref-red)}.ref-hf-card.paid-card{background:#fbf8f2}.ref-hf-row{grid-template-columns:32px 1fr auto;align-items:center;gap:10px;display:grid}.ref-hf-num{font-family:Helvetica Neue,Arial,sans-serif;font-size:22px;font-weight:800;line-height:1}.ref-hf-en{color:var(--ref-g60);letter-spacing:.15em;margin-bottom:2px;font-size:9.5px;font-weight:700}.ref-hf-name{color:var(--ref-ink);font-size:13.5px;font-weight:700;line-height:1.3}.ref-hf-tag{white-space:nowrap;color:#fff;padding:2px 7px;font-size:10px;font-weight:700;display:inline-block}.ref-hf-tag.free{background:var(--ref-teal)}.ref-hf-tag.paid{background:var(--ref-gold)}.ref-section{flex-direction:column;justify-content:center;min-height:100vh;padding:100px 0;display:flex;position:relative;overflow:hidden}.ref-section.bg-white{background:#fff}.ref-section.bg-soft{background:var(--ref-soft)}.ref-section:before{content:"";background:linear-gradient(90deg,transparent,var(--section-accent,var(--ref-red)),transparent);opacity:0;pointer-events:none;z-index:2;width:100%;height:3px;transition:none;position:absolute;top:0;left:-100%;right:0}.ref-section.shimmer-active:before{animation:.8s ease-out forwards sectionShimmer}.ref-section:after{content:"";pointer-events:none;opacity:0;z-index:0;border-radius:50%;transition:opacity 1.2s;position:absolute}.ref-section.shimmer-active:after{opacity:1}.ref-container{z-index:1;max-width:1320px;margin:0 auto;padding:0 32px;position:relative}.ref-section-head{text-align:center;max-width:860px;margin:0 auto 48px}.ref-section-kicker{color:var(--ref-primary);letter-spacing:.28em;align-items:center;gap:12px;margin-bottom:20px;font-size:13px;font-weight:700;display:inline-flex}.ref-section-kicker .line{background:var(--ref-red);width:26px;height:2px}.ref-section-kicker .line-light{background:#fff9}.ref-section-title{color:var(--ref-primary);letter-spacing:.01em;margin-bottom:20px;font-size:34px;font-weight:700;line-height:1.4}.ref-section-sub{color:var(--ref-g60);text-align:center;max-width:900px;margin:0 auto 12px;font-size:16px;line-height:1.85}.ref-section-emphasis{background:var(--ref-soft);text-align:left;border-radius:8px;margin-top:16px;padding:14px 20px;font-weight:500;color:var(--ref-primary)!important}.ref-feat-section{margin-bottom:50px}.ref-feat-section:last-child{margin-bottom:0}.ref-fsl{color:var(--ref-ink);flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:22px;font-size:16px;font-weight:700;display:flex}.ref-fsl-tag{letter-spacing:.1em;color:#fff;padding:4px 10px;font-size:11px;font-weight:700}.ref-fsl-tag.free{background:var(--ref-teal)}.ref-fsl-tag.paid{background:var(--ref-gold)}.ref-fsl-extra{color:var(--ref-g60);font-size:13px;font-weight:400}.ref-feat-grid{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.ref-feat{border:1px solid var(--ref-g10);background:#fff;padding:26px 22px 24px;transition:all .25s;position:relative}.ref-feat:hover{border-color:var(--ref-primary);transform:translateY(-3px);box-shadow:0 12px 32px #15294b14}.ref-feat-head{align-items:baseline;gap:10px;margin-bottom:12px;display:flex}.ref-feat-num{font-size:26px;font-weight:700;line-height:1}.ref-feat-en{letter-spacing:.2em;color:var(--ref-g60);font-size:11px;font-weight:700}.ref-feat h3{color:var(--ref-ink);margin-bottom:8px;font-size:16px;font-weight:700}.ref-feat p{color:var(--ref-g60);margin-bottom:12px;font-size:13px;line-height:1.6}.ref-feat-bullets{border-top:1px dashed var(--ref-g10);margin:0;padding:12px 0 0;list-style:none}.ref-feat-bullets li{color:var(--ref-g60);padding-left:14px;font-size:12px;line-height:1.7;position:relative}.ref-feat-bullets li:before{content:"·";color:var(--ref-red);font-weight:700;position:absolute;left:4px}.ref-feat-tag{letter-spacing:.05em;margin-top:14px;padding:3px 10px;font-size:11px;font-weight:700;display:inline-block}.ref-feat-tag.free{background:var(--ref-teal);color:#fff}.ref-feat-price{color:var(--ref-red);margin-top:12px;font-size:16px;font-weight:700}.ref-feat.paid{background:linear-gradient(#fffcf6 0%,#fff 100%)}.ref-feat-soon{color:var(--ref-teal);letter-spacing:.05em;margin-top:12px;font-size:12px;font-weight:600}.ref-paid-badge{background:var(--ref-gold);color:#fff;letter-spacing:.05em;padding:3px 8px;font-size:10px;font-weight:700;position:absolute;top:14px;right:14px}.ref-feat.hot{border-color:var(--ref-red);box-shadow:0 4px 24px #e600121a}.ref-feat-compact{grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:36px;display:grid}.ref-feat-c-card{cursor:pointer;background:#f8fafc;border:1px solid #0000000a;border-radius:14px;padding:28px 22px;scroll-margin-top:200px;transition:all .35s cubic-bezier(.4,0,.2,1)}.ref-feat-c-card:hover{border-color:#00000014;transform:translateY(-3px);box-shadow:0 8px 24px #00000012}.ref-feat-c-head{align-items:baseline;gap:8px;margin-bottom:10px;display:flex}.ref-feat-c-num{font-family:Helvetica Neue,Arial,sans-serif;font-size:24px;font-weight:700;line-height:1}.ref-feat-c-en{letter-spacing:.15em;color:var(--ref-g60);font-size:10px;font-weight:700}.ref-feat-c-title{color:var(--ref-ink);margin-bottom:10px;font-size:17px;font-weight:700}.ref-feat-c-desc{color:var(--ref-g60);font-size:13.5px;line-height:1.75}.ref-feat-c-card.active{z-index:10;border-color:var(--ref-primary);background:#fff;box-shadow:0 8px 24px #0000001a}.ref-feat-c-card.dimmed{opacity:.4;filter:blur(1.5px);pointer-events:none}.ref-feat-modal-overlay{z-index:20;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#fff9;border-radius:14px;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.ref-feat-modal{background:#fff;border:1px solid #0000000f;border-radius:16px;width:90%;max-width:560px;padding:36px 40px;box-shadow:0 20px 60px #00000026}.ref-feat-modal-head{align-items:baseline;gap:10px;margin-bottom:6px;display:flex}.ref-feat-modal-num{font-size:28px;font-weight:700;line-height:1}.ref-feat-modal-en{letter-spacing:.15em;color:var(--ref-g60);font-size:11px;font-weight:700}.ref-feat-modal-title{color:var(--ref-ink);margin-bottom:16px;font-size:20px;font-weight:700}.ref-feat-modal ul{margin:0 0 20px;padding:0;list-style:none}.ref-feat-modal li{color:var(--ref-g60);padding-left:18px;font-size:14px;line-height:2;position:relative}.ref-feat-modal li:before{content:"";background:var(--ref-primary);opacity:.6;border-radius:50%;width:6px;height:6px;position:absolute;top:11px;left:0}.ref-feat-c-detail{margin-top:12px}.ref-feat-c-detail ul{grid-template-columns:1fr 1fr;gap:8px 20px;margin:0 0 16px;padding:0;list-style:none;display:grid}.ref-feat-c-detail li{color:var(--ref-g60);padding-left:16px;font-size:13.5px;line-height:1.7;position:relative}.ref-feat-c-detail li:before{content:"";background:var(--ref-primary);opacity:.6;border-radius:50%;width:6px;height:6px;position:absolute;top:9px;left:0}.ref-feat-c-actions{border-top:1px solid #0000000f;gap:10px;margin-top:16px;padding-top:14px;display:flex}.ref-feat-c-btn{cursor:pointer;border:none;border-radius:6px;flex:1;padding:10px 0;font-size:13px;font-weight:600;transition:all .15s}.ref-feat-c-btn.primary{background:var(--ref-primary);color:#fff}.ref-feat-c-btn.primary:hover{opacity:.85}.ref-feat-c-btn.ghost{color:var(--ref-g60);border:1px solid var(--ref-g20);background:0 0}.ref-feat-c-btn.ghost:hover{background:var(--ref-soft)}.ref-feat-footer{text-align:center;color:var(--ref-g60);border-top:1px solid var(--ref-g10);padding:18px 0;font-size:13px}.ref-feat-footer-sep{color:var(--ref-g10);margin:0 12px}.ref-about-stats{grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:56px;display:grid}.ref-about-stat-card{text-align:center;background:#f8fafc;border-radius:16px;padding:32px 24px;transition:all .25s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 8px #0000000a}.ref-about-stat-card:hover{transform:scale(1.02);box-shadow:0 8px 24px #00000014}.ref-about-stat-num{color:var(--ref-primary);margin-bottom:12px;font-family:Helvetica Neue,Arial,sans-serif;font-size:36px;font-weight:700;line-height:1}.ref-about-stat-card:first-child .ref-about-stat-num{color:var(--ref-red)}.ref-about-stat-label{color:var(--ref-ink);margin-bottom:6px;font-size:13px;font-weight:600}.ref-about-stat-desc{color:var(--ref-g60);font-size:12.5px;line-height:1.6}.ref-about-edges{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.ref-about-edge-card{background:#f8fafc;border-radius:16px;padding:36px 28px;transition:all .25s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 8px #0000000a}.ref-about-edge-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px #00000014}.ref-about-edge-icon{background:var(--ref-soft);width:44px;height:44px;color:var(--ref-red);border-radius:12px;justify-content:center;align-items:center;margin-bottom:18px;display:flex}.ref-about-edge-icon svg{width:22px;height:22px}.ref-about-edge-card h4{color:var(--ref-primary);margin-bottom:10px;font-size:17px;font-weight:700}.ref-about-edge-card p{color:var(--ref-g60);font-size:14px;line-height:1.8}.ref-vs-table{border-collapse:collapse;table-layout:fixed;border:1px solid var(--ref-g10);background:#fff;width:100%;margin-top:24px}.ref-vs-table th,.ref-vs-table td{text-align:left;border-bottom:1px solid var(--ref-g10);padding:18px 28px;font-size:15px}.ref-vs-table thead th{background:var(--ref-g60);color:#fff;font-weight:700}.ref-vs-table thead th.hl{background:var(--ref-primary)}.ref-vs-table tbody td:first-child,.ref-vs-table tbody td.hl-cell{color:var(--ref-ink);font-weight:700}.ref-vs-table tbody td:nth-child(2){color:var(--ref-g60)}.ref-vs-table tr:last-child td{border-bottom:none}.ref-why-tag{text-align:center;color:var(--ref-g60);margin-top:48px;font-size:18px;font-style:italic}.ref-why-tag b{color:var(--ref-primary);font-weight:700}.ref-guide-aud-grid{grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:48px;display:grid}.ref-guide-aud-card{border:1px solid var(--ref-g10);text-align:center;background:#fff;border-radius:12px;padding:28px 22px;transition:all .25s;position:relative;overflow:hidden}.ref-guide-aud-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px #15294b14}.ref-guide-aud-bar{border-radius:2px;width:40px;height:3px;margin:0 auto 18px}.ref-guide-aud-label{color:var(--ref-ink);margin-bottom:4px;font-size:17px;font-weight:700}.ref-guide-aud-desc{color:var(--ref-g60);font-size:13px;line-height:1.5}.ref-guide-steps{grid-template-columns:repeat(4,1fr);align-items:start;gap:24px;display:grid}.ref-guide-step-wrap{align-items:flex-start;display:flex;position:relative}.ref-guide-step-line{border-left:2px dashed var(--ref-g20);width:2px;height:calc(100% - 60px);display:none;position:absolute;top:38px;left:-1px}.ref-guide-step-card{border:1px solid var(--ref-g10);text-align:center;background:#fff;border-radius:12px;width:100%;padding:24px 20px;transition:all .25s;position:relative}.ref-guide-step-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px #15294b14}.ref-guide-step-card:after{content:"→";color:var(--ref-g40);font-size:18px;font-weight:700;position:absolute;top:50%;right:-14px;transform:translateY(-50%)}.ref-guide-step-wrap:last-child .ref-guide-step-card:after{display:none}.ref-guide-step-num{background:var(--ref-primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;margin-bottom:14px;font-family:Helvetica Neue,Arial,sans-serif;font-size:15px;font-weight:800;display:inline-flex}.ref-guide-step-wrap:first-child .ref-guide-step-num{background:var(--ref-red)}.ref-guide-step-card h4{color:var(--ref-ink);margin-bottom:8px;font-size:16px;font-weight:700}.ref-guide-step-card p{color:var(--ref-g60);font-size:13px;line-height:1.6}.ref-journey{align-items:center;gap:8px;margin-top:40px;padding:0 12px;display:flex}.ref-jstep{text-align:center;flex:1;padding:10px}.ref-jdot{background:var(--ref-primary);border-radius:50%;width:18px;height:18px;margin:0 auto 14px;box-shadow:0 0 0 6px #15294b1f}.ref-jdot.red{background:var(--ref-red);box-shadow:0 0 0 6px #d8232a1f}.ref-jyear{color:var(--ref-g60);letter-spacing:.1em;margin-bottom:4px;font-size:14px;font-weight:600}.ref-jtitle{color:var(--ref-ink);margin-bottom:6px;font-size:18px;font-weight:700}.ref-jdesc{color:var(--ref-g60);font-size:12.5px;line-height:1.5}.ref-jline{background:var(--ref-g20);flex:0 0 30px;height:2px;margin-bottom:50px}.ref-cta{background:var(--ref-primary);color:#fff;flex-direction:column;justify-content:center;min-height:100vh;padding:80px 0;display:flex;position:relative;overflow:hidden}.ref-cta:before{content:"";background:var(--ref-red);width:3px;position:absolute;top:0;bottom:0;left:0}.ref-cta:after{content:"";opacity:.6;background-image:radial-gradient(#ffffff26 3px,#0000 3px);background-size:26px 26px;width:360px;height:360px;position:absolute;bottom:-60px;right:-60px}.ref-cta-layout{z-index:1;grid-template-columns:.8fr 1.5fr;align-items:stretch;gap:100px;display:grid;position:relative}.ref-cta-left{flex-direction:column;justify-content:center;display:flex}.ref-cta-vt{flex-direction:column;gap:0;display:flex}.ref-cta-vt-item{gap:20px;display:flex}.ref-cta-vt-rail{flex-direction:column;flex-shrink:0;align-items:center;width:24px;display:flex}.ref-cta-vt-dot{background:#ffffff26;border:2.5px solid #ffffff80;border-radius:50%;flex-shrink:0;width:14px;height:14px;transition:all .3s}.ref-cta-vt-dot.final{background:var(--ref-red);border-color:var(--ref-red);box-shadow:0 0 12px #d8232a80}.ref-cta-vt-line{background:#ffffff26;flex:1;width:2px;min-height:24px}.ref-cta-vt-content{padding-bottom:28px}.ref-cta-vt-item:last-child .ref-cta-vt-content{padding-bottom:0}.ref-cta-vt-year{color:#fff;font-size:22px;font-weight:700;line-height:1.2;display:block}.ref-cta-vt-title{color:#fffc;margin-top:3px;font-size:15px;font-weight:500;display:block}.ref-cta-vt-desc{color:#ffffff73;margin-top:3px;font-size:13px;display:block}.ref-cta-right{flex-direction:column;justify-content:space-between;gap:0;height:100%;display:flex}.ref-cta-right-top{margin-bottom:28px}.ref-cta-right-top h2{color:#fff;margin-bottom:14px;font-size:36px;font-weight:700;line-height:1.35}.ref-cta-right-top p{color:#fff9;font-size:15px;line-height:1.7}.ref-cta-right-form{color:var(--ref-ink);background:#fff;border-radius:4px;width:100%;padding:36px 32px;box-shadow:0 16px 48px #0000004d}.ref-cta-right-form h3{color:var(--ref-ink);text-align:center;margin-bottom:24px;font-size:24px;font-weight:700}.ref-cta-form-fields{flex-direction:column;gap:18px;display:flex}.ref-cta-input,.ref-cta-select{border:1px solid var(--ref-g20);width:100%;color:var(--ref-ink);background:#fff;border-radius:2px;outline:none;padding:14px 16px;font-family:inherit;font-size:15px;transition:border-color .2s}.ref-cta-input::placeholder{color:var(--ref-g40)}.ref-cta-input:focus,.ref-cta-select:focus{border-color:var(--ref-primary)}.ref-cta-select{appearance:auto;cursor:pointer}.ref-cta-submit{color:#fff;background:var(--ref-red);cursor:pointer;border:none;border-radius:2px;width:100%;padding:18px 16px;font-size:17px;font-weight:700;transition:all .2s}.ref-cta-submit:hover{opacity:.9}.ref-cta-error{color:#ff6b6b;text-align:center;background:#ff6b6b1a;border-radius:4px;margin-bottom:12px;padding:8px;font-size:13px}.ref-cta-note{color:var(--ref-g60);text-align:center;margin-top:14px;font-size:12px;line-height:1.6}.ref-footer{color:#b8b8b8;background:#2a2a2a;padding-top:60px;font-size:13.5px}.ref-footer-inner{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:50px;max-width:1240px;margin:0 auto;padding-bottom:50px;padding-left:32px;padding-right:32px;display:grid}.ref-footer h5{color:#fff;letter-spacing:.05em;margin-bottom:18px;font-size:14px;font-weight:600}.ref-footer a{color:#b8b8b8;padding:5px 0;transition:color .2s;display:block}.ref-footer a:hover{color:var(--ref-red)}.ref-footer p{margin-bottom:6px;line-height:1.8}.ref-foot-bar{background:#1f1f1f;border-top:1px solid #333;padding:18px 0}.ref-foot-bar-inner{color:#888;justify-content:space-between;align-items:center;max-width:1240px;margin:0 auto;padding:0 32px;font-size:12px;display:flex}.ref-side-portal{z-index:200;flex-direction:column;gap:8px;display:flex;position:fixed;top:50%;right:16px;transform:translateY(-50%)}.ref-sp-item{width:52px;height:52px;color:var(--ref-ink);border:1px solid var(--ref-g10);cursor:pointer;background:#fff;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;font-family:inherit;transition:all .25s;display:flex;position:relative;overflow:hidden;box-shadow:0 2px 12px #00000014}.ref-sp-item:before{content:"";background:var(--sp-color);border-radius:0 2px 2px 0;width:3px;position:absolute;top:0;bottom:0;left:0}.ref-sp-item:hover{border-color:var(--sp-color);transform:translate(-4px);box-shadow:0 4px 20px #0000001f}.ref-sp-item:hover .ref-sp-label{color:var(--sp-color)}.ref-sp-label{font-size:12px;font-weight:700;line-height:1.1;transition:color .2s}.ref-sp-sub{color:var(--ref-g60);margin-top:2px;font-size:9px;font-weight:500;line-height:1.1}@media (max-width:768px){.ref-side-portal{display:none}}.ref-float-consult{z-index:200;border:1px solid var(--ref-g10);background:#fff;border-radius:999px;align-items:center;gap:12px;padding:12px 16px;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 4px 24px #0000001f}.ref-float-avatar{background:var(--ref-g10);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.ref-float-title{color:var(--ref-ink);white-space:nowrap;font-size:14px;font-weight:700}.ref-float-sub{color:var(--ref-g60);white-space:nowrap;font-size:11px}.ref-float-btn{color:#fff;background:var(--ref-red);cursor:pointer;white-space:nowrap;border:none;border-radius:999px;padding:8px 18px;font-family:inherit;font-size:13px;font-weight:700;transition:background .2s}.ref-float-btn:hover{background:var(--ref-red-d)}@media (max-width:768px){.ref-float-text{display:none}.ref-float-consult{padding:10px 14px}}@media (max-width:1024px){.ref-hero-main{grid-template-columns:1fr;gap:36px}.ref-brand-en{font-size:72px}.ref-brand-name{display:none}.ref-main-nav{gap:18px}.ref-hf-grid,.ref-about-stats{grid-template-columns:repeat(2,1fr)}.ref-about-edges{grid-template-columns:1fr}.ref-feat-grid,.ref-feat-compact{grid-template-columns:repeat(2,1fr)}.ref-footer-inner{grid-template-columns:1fr 1fr;gap:40px}.ref-cta-card{max-width:100%}.ref-cta-layout{grid-template-columns:.8fr 1.5fr;gap:32px}.ref-journey{flex-direction:column}.ref-jline{flex:0 0 30px;width:2px;height:30px;margin-bottom:0}.ref-guide-aud-grid{grid-template-columns:repeat(2,1fr)}.ref-guide-steps{grid-template-columns:repeat(2,1fr);gap:16px}.ref-guide-step-card:after{display:none!important}}@media (max-width:768px){.ref-container{padding:0 16px}.ref-hero-inner{padding:0 16px 24px}.ref-topbar-inner{padding:0 12px}.ref-main-nav{display:none}.ref-hero-main{grid-template-columns:1fr;gap:24px;max-width:100%}.ref-hero-main>div{min-width:0}.ref-trust{text-align:center;border-radius:12px;gap:6px;padding:8px 12px;font-size:10px}.ref-dot-sep{display:none}.ref-brand-block{padding:20px 16px}.ref-brand-block>div:first-child{gap:10px!important}.ref-brand-block>div:first-child img{height:36px!important}.ref-brand-en{font-size:42px}.ref-brand-cn{margin-top:10px;font-size:17px}.ref-brand-byline{font-size:11px}.ref-kicker{letter-spacing:.15em;margin-bottom:12px;font-size:11px}.ref-ht-small{font-size:16px}.ref-ht-big{font-size:26px}.ref-ht-red{font-size:32px}.ref-feature-grid{grid-template-columns:1fr 1fr;gap:8px}.ref-feature-card{padding:12px;font-size:13px}.ref-feature-icon{width:18px;height:18px}.ref-feature-desc{font-size:11px}.ref-points li{font-size:13px}.ref-hero-cta{flex-direction:column;gap:10px}.ref-hero-cta .ref-btn{width:100%}.ref-features-box{padding:14px 12px}.ref-hf-grid{grid-template-columns:1fr 1fr;gap:8px}.ref-hf-card{padding:10px}.ref-hf-num{font-size:18px}.ref-hf-en{font-size:8px}.ref-hf-name{font-size:12px}.ref-hf-title{letter-spacing:.1em;font-size:14px}.ref-section{min-height:100svh;padding:50px 0}.ref-hero{min-height:100svh}.ref-cta{min-height:auto;padding:50px 0}.ref-section-title{font-size:22px}.ref-section-sub{font-size:14px}.ref-section-head{margin-bottom:36px}.ref-section-kicker{letter-spacing:.15em;font-size:11px}.ref-about-stats{grid-template-columns:1fr 1fr;gap:12px}.ref-about-stat-card{padding:20px 16px}.ref-about-stat-num{font-size:26px}.ref-about-edges{grid-template-columns:1fr;gap:12px}.ref-about-edge-card{padding:24px 20px}.ref-feat-compact{grid-template-columns:1fr 1fr;gap:10px}.ref-feat-c-card{padding:16px 14px}.ref-feat-c-num{font-size:18px}.ref-feat-c-en{font-size:9px}.ref-feat-c-title{margin-bottom:6px;font-size:14px}.ref-feat-c-desc{font-size:12px;line-height:1.6}.ref-feat-footer{font-size:11px}.ref-feat-footer-sep{margin:0 6px}.ref-feat-grid{grid-template-columns:1fr;gap:12px}.ref-feat{padding:20px 16px}.ref-feat-num{font-size:22px}.ref-feat h3{font-size:15px}.ref-fsl{font-size:14px}.ref-vs-table th,.ref-vs-table td{padding:10px 12px;font-size:12px}.ref-why-tag{font-size:14px}.ref-guide-aud-grid{grid-template-columns:1fr 1fr;gap:10px}.ref-guide-aud-card{border-radius:8px;padding:18px 12px}.ref-guide-aud-label{font-size:15px}.ref-guide-aud-desc{font-size:12px}.ref-guide-steps{grid-template-columns:1fr 1fr;gap:10px}.ref-guide-step-card{border-radius:8px;padding:18px 14px}.ref-guide-step-card:after{display:none!important}.ref-guide-step-num{width:36px;height:36px;font-size:13px}.ref-guide-step-card h4{font-size:14px}.ref-guide-step-card p{font-size:12px}.ref-journey{flex-direction:column;gap:0;padding:0}.ref-jstep{padding:8px 0}.ref-jtitle{font-size:16px}.ref-jdesc{font-size:11px}.ref-jline{flex:0 0 20px;width:2px;height:20px;margin-bottom:0}.ref-cta{padding:50px 0}.ref-cta-layout{grid-template-columns:1fr;gap:32px}.ref-cta-vt{flex-flow:wrap;gap:16px}.ref-cta-vt-item{flex-direction:column;align-items:center;gap:4px}.ref-cta-vt-rail{display:none}.ref-cta-vt-content{text-align:center;align-items:center;padding-bottom:0}.ref-cta-right-top h2{font-size:24px}.ref-cta-right-form{padding:20px 16px}.ref-cta-form-row{grid-template-columns:1fr}.ref-cta-input,.ref-cta-select{padding:12px 14px;font-size:14px}.ref-footer{font-size:12px}.ref-footer-inner{grid-template-columns:1fr;gap:28px;padding-left:16px;padding-right:16px}.ref-foot-bar-inner{text-align:center;flex-direction:column;gap:8px;padding:0 16px;font-size:10px}}@keyframes sectionShimmer{0%{opacity:0;left:-100%}30%{opacity:1}to{opacity:0;left:100%}}#about{--section-accent:var(--ref-red)}#about:after{background:radial-gradient(circle,#d8232a0f 0%,#0000 70%);width:300px;height:300px;top:-80px;right:-60px}#advantage{--section-accent:var(--ref-primary)}#advantage:after{background:radial-gradient(circle,#15294b0f 0%,#0000 70%);width:350px;height:350px;bottom:-100px;left:-80px}#features{--section-accent:var(--ref-teal)}#features:after{background:radial-gradient(circle,#0e8a7b0f 0%,#0000 70%);width:320px;height:320px;top:-60px;left:-60px}#guide{--section-accent:var(--ref-gold)}#guide:after{background:radial-gradient(circle,#b68b450f 0%,#0000 70%);width:280px;height:280px;bottom:-60px;right:-40px}#path{--section-accent:var(--ref-primary)}#path:after{background:radial-gradient(circle,#15294b0f 0%,#0000 70%);width:300px;height:300px;top:-80px;right:-80px}#about.bg-white{background:linear-gradient(135deg,#fff 0%,#fff8f8 50%,#fff 100%)}#advantage.bg-soft{background:linear-gradient(135deg,var(--ref-soft)0%,#eef1f8 50%,var(--ref-soft)100%)}#features.bg-white{background:linear-gradient(135deg,#fff 0%,#f5fafa 50%,#fff 100%)}#guide.bg-soft{background:linear-gradient(135deg,var(--ref-soft)0%,#faf7f0 50%,var(--ref-soft)100%)}#path.bg-white{background:linear-gradient(135deg,#fff 0%,#f0f3fa 50%,#fff 100%)}[data-tip]{position:relative}[data-tip]:after{content:attr(data-tip);background:var(--ref-primary);color:#fff;white-space:normal;text-align:center;pointer-events:none;opacity:0;z-index:10;border-radius:8px;max-width:220px;padding:10px 16px;font-size:13px;font-weight:400;line-height:1.5;transition:opacity .25s,transform .25s;position:absolute;bottom:calc(100% + 10px);left:50%;transform:translate(-50%)translateY(6px);box-shadow:0 8px 24px #15294b33}[data-tip]:before{content:"";border:6px solid #0000;border-top-color:var(--ref-primary);pointer-events:none;opacity:0;z-index:10;transition:opacity .25s,transform .25s;position:absolute;bottom:calc(100% + 4px);left:50%;transform:translate(-50%)translateY(6px)}[data-tip]:hover:after,[data-tip]:hover:before{opacity:1;transform:translate(-50%)translateY(0)}@media (max-width:768px){[data-tip]:after,[data-tip]:before{display:none}}.ref-feat:hover h3{color:var(--ref-primary)}.ref-feat.paid:hover h3{color:var(--ref-red)}.ref-feat:after{content:"";background:var(--ref-primary);transform-origin:0;height:3px;transition:transform .3s;position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.ref-feat:hover:after{transform:scaleX(1)}.ref-feat.hot:after{background:var(--ref-red)}.ref-vs-table tbody tr{transition:background .2s}.ref-vs-table tbody tr:hover{background:var(--ref-primary-soft)}